Question about Apple 22" Cinema Display Monitor

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Monitor help. White screen apple logo replaced by No entry sign

I tried to put an apple 22inch cinema (Acrylic ) onto a g5 2.5 dual with a n acd and dvi running a Formac screen . It turned on but showed a curious No Entry white diagonal bar in a white circle.

I used the Apple display monitor and adaptor in the dvi slot and even swapped the monitors around plugging it in directly . with the same result

Now any screens I try are either white or display a white circle with a no entry style bar across

Previously it worked with an Apple acrylic 17 inch screen and the Formac display

I have restarted , used dvi , used apple displays . dvi displays displays with adaptors , no adaptors , a combination and other apple and sony screens .Now nothing works and all I have is a white screen or pair of white screens

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Posted on Jan 02, 2017

  • 35 Answers

SOURCE: Apple 20" display black screen

I've read that aftermarket DVI cable adapters don't work well with this set-up. You might try the Apple DVI to ADC adapter. It's expensive but I see them on eBay or craigslist from time to time at less than half the normal $99 cost.

Posted on Aug 17, 2009

MacAppleTech
  • 206 Answers

SOURCE: 22" Apple Cinema Display doesn't power on

This may be an issue with the display detecting the wrong video format or is using an unsupported resolution for this Apple Cinema Display 22"

Procedure:
• Make sure your Mac is turned off.

• Once your Mac is shutdown, you will need to perform what is called a PRAM reset (Parameter RAM)

• Locate the following keys on the keyboard: Command, Option, P, and R. You will need to hold these keys down simultaneously .

• Turn on the computer.
• Press and hold the Command-Option-P-R keys. You must press this key combination before the gray screen appears.

• Now, hold the keys down until the computer restarts and you hear the start up sound for the third time.

• Release the keys and allow the Mac to start up.

If that does not help here is additional support reference from Apple regarding its LCD displays:

Apple Support Link:
Power Light Flash Issues

Let me know if this helps!

Regards,

-Mactechtrainer

Posted on Jan 31, 2010

  • 1 Answer

SOURCE: Apple Cinema Display 23" LED short-long-short flash prob.

Moozer you are a Genius! Blocking the middle pin with electrical tape worked for me too.... non working Apple 23 inch HD display with short-long-short flashing white LED issue...

Posted on Sep 06, 2010

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1 Answer

Replace broken stand (acrylic portion)


Try clear epoxy glue. It will come in two tubes that you mix together. You will need to have a way to hold the parts in place until it reaches full strength ~ 24 hrs. Available at Harbor Freight online or HF stores.

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30" apple cinema display suddenly went blank.


It's probably the backlight. If you look very closely, perhaps using a flashlight, you might be able to see that it is still working but just not being lit up from the back. In that case it may be worth fixing, but if not, then it's probably past its useful life.
One other thing you might try is a different power supply.

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Sorry to read about your problem, I hope this helps you out.

not really, contact apple and see what, the cost to repair will be

I tried to help you. Please help me and Rate/Vote on my response, thanks and good luck

Dec 24, 2010 | Apple Cinema Display Flat Panel Monitor...

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Power connector on cinema display is damaged. Can it be replaced?


Hello, GREAT NEWS!!! Yes you can replace it. Try going onto Ebay and punch in: A1097 Apple cinema display power ac adapter 90W 23" LCD.

May 05, 2010 | Apple Cinema Display 23" HD Monitor

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Apple Cinema Display 23" LED short-long-short flash prob.


Hello, I had the "short long short" blinking led problem with my 23" ACD after a power outage which left my screen blank and my cheek wet with a tear for my baby. I read somewhere that a guy was getting a 1 volt reading on the middle pin of his damaged 90 watt power block. I figured maybe the display might work if I could somehow block the middle pin. So I cut a small strip of paper wide enough to block just the middle pin and long enough to cover both sides, folded it to look like a "W" from the side. I then carefully pressed it into the brick receptacle with a toothpick leaving just a little slack so it would not tear when I pushed in the small white plug. It was a bit of a tight fit but guess what. IT WORKED! I am now enjoying my beloved monitor anew and saved $$$ on replacement brick or repair. If you want to try it and you feel you’ve nothing to lose, make sure you cover just the middle pin (both sides) and you may have to try a couple of times. It worked for me. I hope you have good luck too. Regards, Moozler

edit December 2016. Still working after 7 years.

***CAVEAT AND WARNING***
Use this fix at your own risk.
A faulty voltage regulator is probably the cause of failure. Voltage regulators can start a fire if too much voltage is applied.

Bud Martin's post below describes the electronic component failure that causes this problem. Thank you Bud.

Jul 19, 2009 | Apple Cinema Display 23" HD Monitor

2 Answers

Need disassembly instructions


-After removing the plastic ends, remove the two other metal pieces that the plastic ends were attached to. -Turn monitor upside down and you will see two small tabs on each end. Just pull those outward. They don't move far, but that releases the bottom seam of the monitor. - Carefully pull the two pieces apart. Remember that you will put a crease on the front of you monitor if you open it too much. - If you have a tool to remove the power cable great, but if you don't you can carefully pull the cable through the hole. -Then the whole LCD with all the boards can be removed and serviced.

Mar 29, 2009 | Apple Cinema Display 23" HD Monitor

5 Answers

Apple Cinema Display 23"


Hi all,
I had the “short long short” blinking led problem with my
23′ ACD after a power outage which left my screen blank and
my cheek wet with a tear for my baby. I read somewhere that
a guy was getting a 1 volt reading on the middle pin of his
damaged 90 watt power block. I figured maybe the display might
work if I could somehow block the middle pin. So I cut a small
strip of paper wide enough to block just the middle pin and long
enough to cover both sides and it looked like a “W”. I gingerly
pressed it into the brick receptacle with a toothpick leaving
just a little slack so it would not tear when I pushed in the
small white plug. It was a bit of a tight fit but guess what.
IT WORKED… I am now enjoying my beloved monitor anew and saved
$$$ on replacement brick or repair.
If you want to try it and you feel you’ve nothing to lose, make
sure you cover just middle pin (both sides) and you may have to try a couple of times. It worked for me, I hope you have good luck too.
Regards, Moozler

Oct 31, 2008 | Apple Cinema Display 23" HD Monitor

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